51468656 has 20 divisors (see below), whose sum is σ = 105586992. Its totient is φ = 24220416.

The previous prime is 51468647. The next prime is 51468679. The reversal of 51468656 is 65686415.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94340 + ... + 94883.

Almost surely, 2^51468656 is an apocalyptic number.

It is an amenable number.

51468656 is an abundant number, since it is smaller than the sum of its proper divisors (54118336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51468656 is a wasteful number, since it uses less digits than its factorization.

51468656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189248 (or 189242 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 51468656 is about 7174.1658748596. The cubic root of 51468656 is about 371.9754483353.

The spelling of 51468656 in words is "fifty-one million, four hundred sixty-eight thousand, six hundred fifty-six".